HVAC systems are essential, but they can also be loud. This can be especially disruptive if you adjust the temperature lower right before you go to sleep. Your body’s set rate for internal temperature drops at night, which means it’s easier for most people to sleep in a cool environment, between 60–72º Fahrenheit. If your AC unit is too loud, here are some suggestions for how to resolve the problem.

3 Tips for Making Your AC Quieter

1. Clean the Fan

AC fans need to be clean to work effectively. If dirt or debris gets inside, the fan’s blades hit against those materials and create a rattling or humming noise. To check for this issue, turn off the unit, open the AC cabinet, and inspect the fan for debris. If you don’t see anything, check if the blades are bent, which could also cause rattling.

2. Tighten the Screws

Your AC unit vibrates while it’s running, and the repeated motion can loosen the unit’s screws over time. Once the screws loosen, they wobble against nearby parts, which can cause rattling. Use a screwdriver to tighten all the screws, even if you don’t see any gaps between panels. You might be surprised at the difference this can make.

3. Lubricate the Motor

Your AC’s motor has many moving parts that work together in tandem. If they aren’t properly lubricated, they create friction, which produces a humming noise. Depending on the type of unit you have and your familiarity with the system, you might not be able to access the motor easily. An air conditioning repair service can inspect the unit and keep it lubricated as part of a regular maintenance plan.

If you troubleshoot your HVAC system and still think your unit is too loud, call the professionals at Mill Creek Heating in Turner, OR. Serving customers throughout the Willamette Valley, the team has years of education and experience helping homeowners properly maintain their HVAC systems. Call (503) 749-1000 to schedule an appointment today, or request a free estimate on the company’s website.